This is a setting of the Lorica of St Patrick to the traditional Irish folk tune “Garten” arranged by Gerard Gillen. I think it lovely and liturgically useful to boot.
The text is here with more verses than the three in VAO. You can listen to a snippet and purchase the sheet music from WLP. An arrangement in the public domain is at musicasacra.
My backing is Irish and spirited.
As is this version:
This is more sedate but still nice: